function display(what){
	var info = 'info_'+what;
	var link = 'link_'+what;
	var targetElement = document.getElementById(info);
	var targetLink = document.getElementById(link);
	if(targetElement.style.display == 'none'){
		targetElement.style.display = '';
		targetLink.innerHTML = 'masquer';
	}
	else{
		targetElement.style.display = 'none';
		targetLink.innerHTML = 'détails';
	}
}